CN212028123U

CN212028123U - Be applicable to efflux fan motor bearing structure

Info

Publication number: CN212028123U
Application number: CN202020659636.8U
Authority: CN
Inventors: 邵国军; 傅青云; 王志辉
Original assignee: Shandong Zhongtai Explosion Proof Motor Co ltd
Current assignee: Shandong Zhongtai Explosion Proof Motor Co ltd
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2020-11-27
Anticipated expiration: 2030-04-27

Abstract

The utility model discloses a be applicable to efflux fan motor bearing structure, including fan section of thick bamboo and motor, the motor is located the inner chamber of fan section of thick bamboo, the inner wall of fan section of thick bamboo has movable bolt through nut fixed mounting, the one end that fan section of thick bamboo was kept away from to movable bolt is rotated and is connected with the screw sleeve, the output shaft fixedly connected with fixed block of motor, the fixed surface of fixed block is connected with the flabellum, the top of motor surface both sides all overlaps and is equipped with second half ring cover. The first semi-ring sleeve and the second semi-ring sleeve are sleeved on the surface of the motor, then the surface of the first semi-ring sleeve and the surface of the second semi-ring sleeve are welded with the fixing bolts and then connected with the threaded sleeve and the movable bolt, so that the situation of welding the bolts on the surface of the motor can be effectively avoided, meanwhile, the first semi-ring sleeve and the second semi-ring sleeve are simple and convenient in installation mode, the convenience in installation is greatly improved, and the convenience in disassembly and assembly of the jet fan is greatly improved.

Description

Be applicable to efflux fan motor bearing structure

Technical Field

The utility model relates to a efflux fan technical field specifically is a be applicable to efflux fan motor bearing structure.

Background

The jet fan is a special axial flow fan, is mainly used in longitudinal ventilation systems of tunnels such as highways, railways, subways and the like, and provides all thrust; it can also be used in semi-transverse ventilation system or sensitive part in transverse ventilation system, such as tunnel inlet and outlet, to induce air flow or smoke exhaust. A jet fan is a special axial fan with open inlet and outlet, in which the fan is designed to have the highest efficiency (greater than operating at a working point with a certain static pressure). The force of the jet fan on the air, known as the thrust, is "equal to or opposite" the force to which the fan support is subjected.

Chinese patent No. CN204284017U discloses a jet fan motor supporting structure, which comprises an upper supporting frame and a lower supporting frame arranged between an air duct and a motor, the top of the rear side of the motor is connected with a motor outlet pipe, the lower supporting frame comprises a front lower supporting rod, a lower inclined pull rod and a rear lower supporting rod, one end of the front lower supporting rod is connected with the air duct, the other end of the front lower supporting rod is connected with the motor, one end of the rear lower supporting rod is connected with the motor, the other end of the rear lower supporting rod is connected with the air duct, the intersection point of the extension line of the front lower supporting rod and the horizontal central line and the circle center of the vertical central line are all separated by a distance, the utility model has the advantages of simple structure, reasonable design and convenient installation, small generated wind resistance, small generated torsional vibration, no welding deformation, light weight, but still the connection of welding bolts on the surface of the motor in the mode of fixing, and the mounting means is very troublesome, is not convenient for dismantle, for this reason, proposes a supporting structure suitable for efflux fan motor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be applicable to efflux fan motor bearing structure to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a motor supporting structure suitable for a jet fan comprises a fan barrel and a motor, wherein the motor is positioned in an inner cavity of the fan barrel, a movable bolt is fixedly installed on the inner wall of the fan barrel through a nut, one end, far away from the fan barrel, of the movable bolt is rotatably connected with a threaded sleeve, an output shaft of the motor is fixedly connected with a fixed block, the surface of the fixed block is fixedly connected with fan blades, the tops of two sides of the surface of the motor are respectively sleeved with a second half ring, the bottom of the second half ring is rotatably connected with a first half ring through a rotating shaft, a first butt block is welded on the front side of the front surface of the second half ring, an insertion port is formed in the inner cavity of the first butt block, a second butt block is welded on the front side of the front surface of the first half ring, an insertion block is welded on the top of the second butt block, and spring grooves are formed in, the inner chamber sliding connection in spring groove has the sliding block, two the welding of one side that the sliding block was carried on the back mutually has the fixture block, the welding of one side that the fixture block was kept away from to the sliding block has the spring, fixing bolt has all been welded on the surface of second half ring cover and first half ring cover.

As further preferable in the present technical solution: the diameter of the second half-ring sleeve is the same as that of the first half-ring sleeve, and a motor fixing groove is defined between the second half-ring sleeve and the first half-ring sleeve.

As further preferable in the present technical solution: the cross section of the plug block is consistent with the cross section of the interface in shape and size, and the plug block is plugged with the interface.

As further preferable in the present technical solution: the quantity of fixing bolt is four, every two contained angle between the fixing bolt is ninety degrees, the one end that fixing bolt kept away from the motor runs through to threaded sleeve's inner chamber and with threaded sleeve threaded connection.

As further preferable in the present technical solution: the sliding block is connected with the spring groove in a sliding mode, and one end, far away from the sliding block, of the spring is welded with the inserting block.

As further preferable in the present technical solution: the fluting has all been seted up to the both sides of inserted block, one side that the sliding block was kept away from to the fixture block runs through the fluting and extends to the outside of inserted block, the bottom and the first butt joint piece of fixture block contact.

Compared with the prior art, the beneficial effects of the utility model are that: the first semi-ring sleeve and the second semi-ring sleeve are sleeved on the surface of the motor, then the surface of the first semi-ring sleeve and the surface of the second semi-ring sleeve are welded with the fixing bolts and then connected with the threaded sleeve and the movable bolt, so that the situation of welding the bolts on the surface of the motor can be effectively avoided, meanwhile, the first semi-ring sleeve and the second semi-ring sleeve are simple and convenient in installation mode, the convenience in installation is greatly improved, and the convenience in disassembly and assembly of the jet fan is greatly improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of A in FIG. 1;

fig. 3 is a schematic diagram of a right-side view cross-sectional structure of the present invention.

In the figure: 1. a blower barrel; 2. a movable bolt; 3. fixing the bolt; 4. a first half-ring sleeve; 5. a second half-loop; 6. a threaded sleeve; 7. a nut; 8. a fan blade; 9. a fixed block; 10. a motor; 11. a first butt-joint block; 12. a second butting block; 13. an interface; 14. a clamping block; 15. a slider; 16. a spring; 17. a spring slot; 18. grooving; 19. and (5) inserting the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: a motor supporting structure suitable for a jet fan comprises a fan barrel 1 and a motor 10, wherein the motor 10 is positioned in an inner cavity of the fan barrel 1, a movable bolt 2 is fixedly arranged on the inner wall of the fan barrel 1 through a nut 7, one end, far away from the fan barrel 1, of the movable bolt 2 is rotatably connected with a threaded sleeve 6, an output shaft of the motor 10 is fixedly connected with a fixed block 9, the surface of the fixed block 9 is fixedly connected with fan blades 8, the tops of two sides of the surface of the motor 10 are respectively sleeved with a second half-ring sleeve 5, the bottom of the second half-ring sleeve 5 is rotatably connected with a first half-ring sleeve 4 through a rotating shaft, a first butt block 11 is welded on the front side of the front surface of the second half-ring sleeve 5, an inserting port 13 is formed in the inner cavity of the first butt block 11, a second butt block 12 is welded on the front side of the front surface of the first half-ring sleeve 4, an inserting block, the inner cavity of the spring groove 17 is connected with a sliding block 15 in a sliding mode, a clamping block 14 is welded on one side, opposite to each other, of each of the two sliding blocks 15, a spring 16 is welded on one side, far away from the clamping block 14, of each of the sliding blocks 15, and the fixing bolts 3 are welded on the surfaces of the second half ring sleeve 5 and the first half ring sleeve 4.

In this embodiment, specifically: the diameter of the second half-ring sleeve 5 is the same as that of the first half-ring sleeve 4, a motor fixing groove is defined between the second half-ring sleeve 5 and the first half-ring sleeve 4 in a surrounding mode, through the arrangement, the fixing end of the motor 10 can be firmer, and the situation that the motor 10 shakes during working is avoided.

In this embodiment, specifically: the cross section of the plug block 19 is the same as the cross section of the plug interface 13 in shape and size, the plug block 19 is plugged with the plug interface 13, and through the arrangement, the stability of the second semi-ring sleeve 5 and the first semi-ring sleeve 4 in connection can be improved.

In this embodiment, specifically: the quantity of fixing bolt 3 is four, and the contained angle between per two fixing bolt 3 is ninety degrees, and the one end that fixing bolt 3 kept away from motor 10 runs through to threaded sleeve 6's inner chamber and with threaded sleeve 6 threaded connection, through above setting, can improve motor 10's stability greatly, can finely tune motor 10's position simultaneously, makes motor axle center and 1 axle center of a fan section of thick bamboo be in on the same straight line, improves motor 10's stability.

In this embodiment, specifically: the sliding block 15 is connected with the spring groove 17 in a sliding mode, and one end, far away from the sliding block 15, of the spring 16 is welded with the inserting block 19.

In this embodiment, specifically: the two sides of the insertion block 19 are both provided with a slot 18, one side of the fixture block 14, which is far away from the sliding block 15, penetrates through the slot 18 and extends to the outer side of the insertion block 19, and the bottom of the fixture block 14 is in contact with the first butt-joint block 11.

Working principle or structural principle, when in installation, the first half-ring sleeve 4 and the second half-ring sleeve 5 are sleeved on the surface of the motor 10, after the sleeving, the second half-ring sleeve 5 is turned over, the first butt joint block 11 on the second half-ring sleeve 5 is contacted with the second butt joint block 12, in the contact process, the plug block 19 is inserted into the plug-in port 13, the fixture block 14 in the inner cavity of the spring groove 17 is pressed and extruded to slide towards the inner cavity of the spring groove 17, the sliding block 15 is pushed to compress the spring 16 until the fixture block 14 passes through the plug-in port 13, at the moment, the spring 16 is reset, the sliding block 15 is pushed out by the spring 16, the fixture block 14 is clamped at the top of the first butt joint block 11 by the sliding block 15, then the fixed bolt 3 is welded on the surfaces of the first half-ring sleeve 4 and the second half-ring sleeve 5, and then is connected with the threaded sleeve 6 and the movable bolt 2, the condition that the bolt is welded on the surface of the motor can be effectively, the convenience during installation is greatly improved, and the convenience during disassembly and assembly of the jet fan is greatly improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A motor supporting structure suitable for a jet fan comprises a fan barrel (1) and a motor (10), and is characterized in that: the fan is characterized in that the motor (10) is positioned in an inner cavity of the fan barrel (1), a movable bolt (2) is fixedly installed on the inner wall of the fan barrel (1) through a nut (7), one end, far away from the fan barrel (1), of the movable bolt (2) is rotatably connected with a threaded sleeve (6), an output shaft of the motor (10) is fixedly connected with a fixed block (9), fan blades (8) are fixedly connected to the surface of the fixed block (9), second half-ring sleeves (5) are sleeved on the tops of two sides of the surface of the motor (10), the bottom of each second half-ring sleeve (5) is rotatably connected with a first half-ring sleeve (4) through a rotating shaft, a first butt joint block (11) is welded on the front side of the front surface of each second half-ring sleeve (5), a plug-in port (13) is formed in the inner cavity of each first butt joint block (11), a second butt joint block (12) is welded on the, the welding of the top of second butt joint piece (12) has inserted block (19), spring groove (17) have all been seted up to the both sides of inserted block (19) inner chamber, the inner chamber sliding connection of spring groove (17) has sliding block (15), two one side welding that sliding block (15) carried on the back mutually has fixture block (14), one side welding that fixture block (14) were kept away from in sliding block (15) has spring (16), fixing bolt (3) have all been welded on the surface of second half ring cover (5) and first half ring cover (4).

2. The support structure for a jet fan motor according to claim 1, wherein: the diameter of the second half ring sleeve (5) is the same as that of the first half ring sleeve (4), and a motor fixing groove is defined between the second half ring sleeve (5) and the first half ring sleeve (4).

3. The support structure for a jet fan motor according to claim 1, wherein: the cross section of the plug block (19) is consistent with the cross section of the plug port (13) in shape and size, and the plug block (19) is plugged with the plug port (13).

4. The support structure for a jet fan motor according to claim 1, wherein: the number of fixing bolt (3) is four, every two contained angle between fixing bolt (3) is ninety degrees, fixing bolt (3) keep away from the one end of motor (10) run through to the inner chamber of screw sleeve (6) and with screw sleeve (6) threaded connection.

5. The support structure for a jet fan motor according to claim 1, wherein: sliding block (15) and spring groove (17) sliding connection, the one end and the inserted block (19) welding of sliding block (15) are kept away from in spring (16).

6. The support structure for a jet fan motor according to claim 1, wherein: fluting (18) have all been seted up to the both sides of inserted block (19), one side that sliding block (15) were kept away from in fixture block (14) runs through fluting (18) and extends to the outside of inserted block (19), the bottom and the first butt joint piece (11) of fixture block (14) contact.